It seems the instructions at
https://help.ubuntu.com/community/MacBookAir3-2/Narwhal describe how to
work around this issue.
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https://bugs.launchpad.net/bugs/746174
Title:
Screen
This problem still exists in the Precise Pangolin beta 1. Is there
something that can be done in Ubuntu to enable an install from CD
without workarounds?
If not, would someone at least consider writing up a step-by-step guide
to booting/installing Ubuntu on a Macbook Air with the 320M chipset?
Yet another screenshot. This one from a fresh GA natty installation.
** Attachment added: natty_lp746174.jpg
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/746174/+attachment/2094694/+files/natty_lp746174.jpg
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** Also affects: mactel-support
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/746174
Title:
Screen corruption on Macbook Air (Nvidia 320M)
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Confirmed the bug is still present in kernel 2.6.39-rc4
(http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.39-rc4-natty/). Same
old display corruption.
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Bugs,
This is a bug in nouveau, not the proprietary NVIDIA drivers. See the
redhat bug report for more detailed information.
** Changed in: nvidia-drivers-ubuntu
Status: New = Invalid
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Complete EDID (from the nvidia control panel) attached.
parse-edid: parse-edid version 2.0.0
parse-edid: EDID checksum passed.
# EDID version 1 revision 3
Section Monitor
# Block type: 2:0 3:1
# Block type: 2:0 3:fe
# Block type: 2:0 3:fc
Identifier Color
I notice there is a difference in vertical refresh rates:
nouveau: 1366x768@60 = broken/corrupt
nvidia: 1366x768@50 = working
In fact, when using nvidia it doesn't let you go above 50Hz, suggesting
the 60Hz used by nouveau is partly to blame. Though I know a mode
setting is made up of several
Correction: nouveau is part of the mainline kernel now, so the package
is linux.
Also note; this is not an X11/xorg bug because it happens on the
framebuffer before X even starts.
** Package changed: nouveau-kernel-source (Ubuntu) = linux (Ubuntu)
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